An agonist is a DRUG or chemical that is able to bind to a RECEPTOR and activate it, producing an appropriate response which may involve changes in ION CHANNEL opening or closing, activation of SECOND MESSENGERS and changes in neuronal FIRING. An...

An agonist is a drug or an endogenous substance that binds to a RECEPTOR (it has affinity for the receptor binding site) and produces a biological response (it possesses intrinsic activity). The binding of a drug agonist to the receptor produces an...

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In pharmacology an agonist is a substance that binds to a specific receptor and triggers a response in the cell. It mimics the action of an endogenous ligand (such as hormone or neurotransmitter) that binds to the same...

The dangers involved in any dialogue with Secretary of Education William Bennett include a risk of lowering of one's IQ and a certainty of encountering philistinism in its official robes. Bennett, a fierce opponent of new approaches to knowledge, is the new definition of...

VIRGINIA ROHAN The Record (Bergen County, NJ) 08-18-1997 WALLACE AGONISTES By VIRGINIA ROHAN Date: 08-18-1997, Monday Section: YOUR TIME Edition: All Editions -- Two Star B, Two Star P, One Star Column: PRIME VIEWING Those who lived through the Sixties have, in...

Like the conductor of his own chamber orchestra, Garry Wills presides over three metal music stands while at work in his study, his chosen "scores" including dictionaries of Greek, Latin and Italian.He might need, for example, to look up the Greek word "ekklesia," which appears...